| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 01/30/1991 | EP0410454A2 Automatic document conveying device |
| 01/30/1991 | CN2070462U Waste powdered carbon reusing device for bromine oxygen purifing type duplicator |
| 01/29/1991 | US4989048 For an image recorder |
| 01/29/1991 | US4989047 Cleaning apparatus for the reduction of agglomeration-caused spotting |
| 01/29/1991 | US4989021 Cleaning device for conductive magnetic toner and image recording apparatus using same |
| 01/23/1991 | EP0409627A2 Batch mode duplex printing |
| 01/23/1991 | EP0409184A2 Image processing equipment |
| 01/23/1991 | EP0409154A2 Image forming apparatus capable of performing serial page copy |
| 01/22/1991 | US4987497 Image editing method for a digital copier |
| 01/22/1991 | US4987456 Vacuum coupling arrangement for applying vibratory motion to a flexible planar member |
| 01/22/1991 | US4987451 Image forming apparatus |
| 01/22/1991 | US4987446 Process unit cartridge for an electrophotographic apparatus |
| 01/22/1991 | US4987428 Color image forming apparatus |
| 01/22/1991 | US4986182 Cleaning apparatus and cleaning method of blanket of printing press |
| 01/16/1991 | EP0407810A2 Device for cleaning a photosensitive member disposed inside an electrophotographic recording apparatus |
| 01/15/1991 | US4985734 Waste toner collecting container provided with corona charger |
| 01/15/1991 | US4985732 Electrostatic separator |
| 01/15/1991 | US4985731 Image-forming apparatus |
| 01/15/1991 | US4985730 Method of deelectrification in an electrophotographic apparatus |
| 01/15/1991 | US4985729 Control system for reproduction machines providing an extended almost jam interval and shutdown delay |
| 01/15/1991 | US4984326 Flourocarbon polymer with conductive and non-conductive inorganic filler |
| 01/15/1991 | CA1279089C Method and apparatus for loading/unloading a drum member |
| 01/10/1991 | WO1991000550A1 Improved scavenging apparatus |
| 01/10/1991 | WO1991000549A1 Priority interrupt during editing mode |
| 01/10/1991 | WO1991000390A1 Document security method and system |
| 01/10/1991 | DE3921806A1 Dry copier working on xerographic method - has external container collecting superfluous toner via gravity tube |
| 01/09/1991 | EP0407183A2 Color image forming apparatus |
| 01/09/1991 | EP0407144A2 Printer |
| 01/08/1991 | US4984028 Cleaning unit for cleaning recording medium of an electrophotographic apparatus |
| 01/08/1991 | US4984018 Process cartridge having an integrally molded shield casing for the corona charger |
| 01/08/1991 | US4984011 Image recording apparatus |
| 01/08/1991 | US4982771 Particulate material collection bottle for reproduction apparatus |
| 01/02/1991 | EP0406149A2 Electrophotographic printer and cartridge arrangement |
| 01/02/1991 | EP0406148A2 Printing machine with charge neutralizing system |
| 01/02/1991 | EP0406147A2 Laser printer with light-exposure prevention |
| 01/02/1991 | EP0405573A2 An image forming apparatus |
| 01/02/1991 | EP0405514A2 Image-forming machine |
| 01/02/1991 | EP0404759A1 Single-page printer for duplex and simplex operation. |
| 01/01/1991 | US4982240 Cleaning device |
| 01/01/1991 | US4982239 Image forming apparatus having reciprocating cleaning means |
| 01/01/1991 | US4982233 Method and apparatus for sensing contamination within an optical scanning system |
| 01/01/1991 | US4982231 Waste toner recovery device for use in electrostatic copying machines |
| 01/01/1991 | US4982230 Image forming apparatus with means for detecting excess developer |
| 01/01/1991 | US4982225 Image forming apparatus for controlling the humidity and operating parameters associated with an image forming process |
| 12/27/1990 | EP0404566A2 Shutter calibration document size detection |
| 12/27/1990 | EP0404491A2 Electrostatic imaging devices |
| 12/27/1990 | EP0403523A1 Electrophotographic printing device with regulated electrophotographic process. |
| 12/25/1990 | US4980723 Horizontal image shift by shifting to a slower copying rate |
| 12/25/1990 | US4980719 Copier/printer and method for reproduction of secure documents or the like |
| 12/19/1990 | EP0402525A2 Cartridge for copying apparatus and the like |
| 12/19/1990 | EP0277982B1 Marking of articles with photochromic compounds |
| 12/18/1990 | US4978999 Fiber reinforced cleaning blade |
| 12/18/1990 | US4978995 Image forming apparatus having means for detecting loaded unit |
| 12/18/1990 | US4978817 Interlock switch for a copying apparatus |
| 12/12/1990 | EP0401437A1 Highlight color imaging apparatus |
| 12/11/1990 | USRE33484 Cleaning device for a monochromatic copying machine |
| 12/05/1990 | EP0400673A2 Sheet feeding mechanism and method for an electrophotographic printer |
| 12/05/1990 | EP0400572A2 Recording apparatus |
| 12/05/1990 | EP0400571A2 Recording apparatus |
| 12/05/1990 | EP0400563A2 Recording apparatus |
| 12/05/1990 | EP0400525A2 Image forming apparatus |
| 12/05/1990 | EP0400357A2 Image forming apparatus |
| 12/05/1990 | EP0400231A1 Reprographic machines |
| 12/04/1990 | US4975859 Method of controlling photo printer and apparatus therefor |
| 12/04/1990 | US4975768 Image signal processing with suppression of background portion of image |
| 12/04/1990 | US4975748 Method of removing a film from an image carrier |
| 12/04/1990 | US4975746 Process cartridge and image forming apparatus using same |
| 12/04/1990 | US4975744 Image bearing member and driving mechanism therefor |
| 12/04/1990 | US4975743 For use in an image-forming apparatus |
| 12/04/1990 | US4975741 Control unit for a copying machine including automatic shutdown |
| 12/04/1990 | US4975740 Page entering apparatus for electrophotographic copying machine |
| 12/04/1990 | US4975738 Method of forming an image on both sides of a sheet |
| 12/04/1990 | US4975734 Copying machine having a displaying portion capable of displaying a plurality of pieces of information |
| 12/04/1990 | US4975348 Electrography; erasing part of 1st image from 2nd image, which is transferred back to 1st one |
| 12/02/1990 | CA2017995A1 Sheet feeding mechanism and method for an electrophotographic printer |
| 11/28/1990 | EP0399510A2 Sheet sorting method and apparatus |
| 11/28/1990 | EP0399509A1 Image forming apparatus |
| 11/28/1990 | EP0399446A2 Digital copying system using an IC card |
| 11/28/1990 | CN1047401A Image forming apparatus |
| 11/27/1990 | US4974238 Counter arrangement for determining the life of consumables in office equipment |
| 11/27/1990 | US4974035 Automatic duplex copying with interleaved tabs |
| 11/27/1990 | US4974034 Post-collation duplex copying system |
| 11/27/1990 | US4974033 Two-side image recording apparatus |
| 11/27/1990 | US4974031 Toner collecting device |
| 11/27/1990 | US4974030 Cleaning device for electrostatic recording apparatus |
| 11/27/1990 | US4974022 Image forming apparatus |
| 11/27/1990 | US4974021 Discharging device for a photoconductor drum |
| 11/27/1990 | US4974020 Removable developing units for a copying machine and display for indicating the useful life of the machine |
| 11/27/1990 | US4973799 Printed circuit board for use with an image forming apparatus |
| 11/22/1990 | EP0398661A2 Image forming apparatus |
| 11/22/1990 | EP0398659A2 Feeding device |
| 11/22/1990 | EP0398294A2 Electrophotographic printer |
| 11/22/1990 | EP0398263A2 Electrophotographic apparatus |
| 11/22/1990 | EP0398262A2 Electrophotographic apparatus |
| 11/20/1990 | WO1990014618A1 Image forming apparatus |
| 11/20/1990 | US4972447 Preset counter apparatus for copying machines and the like |
| 11/20/1990 | US4972271 Image recording apparatus |
| 11/20/1990 | US4972233 Apparatus and method for cleaning a photosensitive member with spherical magnetic particles |
| 11/20/1990 | US4972227 Process kit and positioning mechanism for the process kit |
| 11/20/1990 | US4972226 Image processing apparatus operable in plural operation modes |